VERTEX GASKET SET S/M S-D 700 TWIN - 12-5019The Vertex Winderosa complete gasket set for the Ski Doo 700 Twin is built for riders doing a full engine rebuild and needing every seal in one box. It fits the S D 700 Twin engine and includes all gaskets required to take the motor apart and put it back together right. Everything fits precise, so you're not chasing down missing pieces mid job. Winderosa has been making two cycle gaskets in the USA for decades, and that track record speaks for itself.